Which 1920s event is most directly linked to the cultural backlash over immigration in the u. s. during that

time?

The correct answer is Great Migration

Explanation: It occurred mainly from the South to the North, which is the most developed in the region. The process was strained as a result of growing social as well as economic inequalities, which increasingly generates labor shortages and sufficient resources for all.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.